MTD
Gas Line Trimmer

Model #41ADZ43C799 Official MTD gas trimmer

Here are the diagrams and repair parts for MTD 41ADZ43C799 gas trimmer, as well as links to manuals and error code tables, if available.

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Parts List

Showing 10 of 59 parts

Lawn & Garden Equipment Engine Spark Plug (replaces 794-00043)#18

Short block/fuel tank Diagram

Spark plug

Part #753-05784
Replaced by #794-00082
?
Manufacturer substitution
This part replaces 753-05784. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$3.77 | 
50% OFF 
MSRP: $7.50
Line Trimmer Air Filter and Cover#25

Short block/fuel tank Diagram

Line trimmer air filter and cover

Part #753-06796
BEST SELLER
In Stock
$11.31 | 
15% OFF 
Phone Price: $13.31
Lawn & Garden Equipment Engine Start/Stop Switch (replaces 182405)#2

Drive shaft/shield/cutting head Diagram

In Stock
$8.87 | 
48% OFF 
MSRP: $17.00
Line Trimmer Gearbox#14

Drive shaft/shield/cutting head Diagram

Line trimmer gearbox

Part #753-08180
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In Stock
$55.19 | 
8% OFF 
Phone Price: $60.19
Line Trimmer Flexible Drive Shaft#13

Drive shaft/shield/cutting head Diagram

Line trimmer flexible drive shaft

Part #753-05267
BEST SELLER
In Stock
$37.63 | 
30% OFF 
MSRP: $54.00
Lawn & Garden Equipment O-Ring#24

Short block/fuel tank Diagram

Lawn & garden equipment o-ring

Part #791-181751
BEST SELLER
This item is not returnable
In Stock
$6.86 | 
13% OFF 
Phone Price: $7.86
Line Trimmer Cutting Head Assembly#19

Drive shaft/shield/cutting head Diagram

Line trimmer cutting head assembly

Part #753-08197
This item is not returnable
In Stock
$20.96 | 
19% OFF 
Phone Price: $25.96
Lawn & Garden Equipment Screw

See All Related Diagrams

Lawn & garden equipment screw

Part #791-182519
This item is not returnable
In Stock
$6.19 | 
24% OFF 
MSRP: $8.10
Lawn & Garden Equipment Screw (replaces 710-04645, 753-05253)#27

Short block/fuel tank Diagram

Screw

Part #753-05253
Replaced by #710-04517
?
Manufacturer substitution
This part replaces 753-05253. Substitute parts can look different from the original.
This item is not returnable
In Stock
$8.30 | 
11% OFF 
Phone Price: $9.30
Lawn & Garden Equipment Engine Breather Tube#7

Short block/fuel tank Diagram

Lawn & garden equipment engine breather tube

Part #791-182379
This item is not returnable
In Stock
$7.17 | 
12% OFF 
Phone Price: $8.17

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank
Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings
Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carburetor

Repair guides for gas line trimmers

These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.

How to rebuild a line trimmer carburetor

If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to do the job in under 30 minutes.

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to replace the carburetor in under 30 minutes.

Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yourself, following these instructions.

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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Top 10 electric lawn and garden tools for 2023

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.

March 01, 2016

Grass line trimmer maintenance checklist

Grass line trimmer maintenance checklist

Find out how to take care of your grass line trimmer from the start of the trimming season until the end, with this helpful maintenance checklist.